python


How to redirect python logging output to file instead of stdout?


I want to redirect all the output, even from the external modules which are imported to a file.
sys.stdout = open('logfile', 'a')
doesn't do the job for the logging done by external files is echoed on stdout.
I've tinkered with the source code of external modules, and they are deeply knitted with python's "logging" module and rely on it for the output.
Also, I don't want to use stream redirection using > operator.
Try this:
sysstdout = sys.stdout
log_file = open("your_log_file.txt","w")
sys.stdout = log_file
print("this will be written to message.log")
sys.stdout = sysstdout
log_file.close()
Or, do the right thing and use Python's logging module properly.

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